Wouldn't using the Pentium option disallow using Celerons or AMD's?? > On Monday 20 October 2003 22:53, Mikhail wrote: > > On 09:07 Mon 20 Oct , brett holcomb wrote: > > > Yes, if you compile for an AMD and put it on a K6 I can > > > see where it would break. But shouldn't it work if you > > > compile each machine for itself - that is on the 486 you > > > install Gentoo with 486 optimization, the AMD gets it's > > > own optimization, etc. A cluster isn't much use if it has > > > to have all identical hardware. > > > > well - that's how openmosix works. app. is being ran on > another node. So I > > would say it is very close to if you run binary on another > machine by > > copying it over there and executing. > > > > That's the problem with optimization - if you run binary on > PI, [binary is] > > optimized for Athlon, - most likely it will not work over > there. Yes, you > > can have mixed hardware on openmosix cluster - just use the same > > optimization on all nodes (e.g. march=i586, etc. So that > you are sure all > > nodes will be able to run it). > > You don't need to have the same optimization; you just need > to be able to > support the minimum hardware. eg: > P1: -march=pentium -mcpu=pentium > P4: -march=pentium -mcpu=pentium4 > > It won't give you as good a optimization as your regular > -march=pentium4 but > it will give you the best of both world. >
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